{
  "title": "bpl-cards",
  "type": "object",
  "properties": {
    "call_number": {
      "type": "string"
    },
    "heading": {
      "type": "string"
    },
    "author": {
      "type": "string"
    },
    "title": {
      "type": "string"
    },
    "imprint": {
      "type": "string"
    },
    "collation": {
      "type": "string"
    },
    "notes": {
      "type": "string"
    },
    "tracings": {
      "type": "string"
    }
  }
}